Infrastructure that is understandable
Home labs, servers, networks, storage, automation, and operational tooling built to be maintainable—not merely impressive.
Systems · Security · Experiments
I build things that keep working.
I’m Steven Crawford — a systems administrator, security-minded builder, and serial project starter. I work across infrastructure, software, resilient communications, AI, and practical tools designed to solve real problems.
Built from curiosity.
Finished with discipline.
My projects usually begin with a simple question: “Why doesn’t this work better?” From there, I design, test, break, rebuild, and document a practical answer.
Controls that support the operator
Secure-by-design workflows, restricted administration paths, isolation, verification, and sensible defaults that reduce error.
Ideas tested in the real world
Resilient communications, local AI, unusual hardware, software prototypes, and whatever useful problem catches my attention next.
Public downloads
EFIT
releases
EFIT is an isolated environment for safely handling, scanning, and transferring files from removable media.
Always verify the SHA-256 checksum before using a downloaded image.
Build image
EFIT-26.02-NVMv2
b0aa1bb383e62faf1f9c01978a1f12efab3737b6fca7e3e803417045391393f5
Download ISO
SHA-256 also distributed to subscribers
Beta archive
EFIT-25.11B
c110dfa0efc134777e62cc94a7b9fa0256f9beef506930797d718965638b84de
Download ISO
SHA-256 also distributed to subscribers
How I build.
I favour systems that are useful under pressure, understandable months later, and honest about their trade-offs.
Practical over fashionable
The right tool is the one that solves the problem reliably.
Secure by construction
Reduce dangerous choices instead of relying on perfect behaviour.
Failure is a design input
Assume components, networks, and people will occasionally fail.
Build, test, document
An undocumented system is only temporarily understood.
Get in touch
Good systems begin with a useful problem.
This site is where I publish the projects, experiments, and ideas that survive contact with reality.